QuickConnector from Blichmann Engineering with 1/4" Male Flared Fitting. Fits all 1/2" male NPT fittings.
Blichmann QuickConnectors were designed from the ground up for brewing, and have features not found in any other fitting on the market. All QuickConnectors are 100% stainless steel, feature a ribbed silicone grip for quick and cool-to-touch operation (no burning your hands!), and a silicone o-ring seal. Each size fits all male 1/2" NPT fittings.
*California Consumers Proposition 65 Warning: Cancer and Reproductive Harm*